﻿using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;

namespace SMF.HowTo.Shared.ValueConverters
{
    public class BooleanToVisibilityConverter : IValueConverter
    {

        #region IValueConverter Members

        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (value == null || (!(value is bool) && !(value is bool?)))
            {
                return null;
            } 
            
            bool? v = (bool)value;
            return v.Value ? Visibility.Visible : Visibility.Collapsed;
        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (value == null || (!(value is Visibility) && !(value is Visibility?)))
            {
                return null;
            }

            Visibility? v = (Visibility) value;
            return v.Value == Visibility.Visible;
        }

        #endregion
    }
}
